Note:The Crankshaft Position Variation Learn procedure is also required when the followingservice procedures have been performed, regardless of whether DTC-P0315 is set:
An engine replacementAn engine control module (ECM) or body control module (BCM) replacementA crankshaft balancer replacementA crankshaft removal and/or replacementA crankshaft position sensor disturbance/removal and/or replacementAny engine repairs which disturb the crankshaft to crankshaft position sensor relationship.Note:The ECM monitors certain component signals to determine if all the conditions aremet to continue with the Crankshaft Position Variation Learn procedure.
Ignition ON, observe the DTC information with a scan tool. Verify no other DTCs areset, except DTCs-P0300–P0304, or P0315.If DTCs are set, except DTCs-P0300–P0304, or P0315, refer toDiagnostic Trouble Code (DTC) List - Vehiclefor further diagnosis.Select the Crankshaft Position Variation Learn Procedure with a scan tool and followthe on screen instructions:Verify DTC-P0315 does not set.If DTC-P0315 set, or another DTC is present refer toDiagnostic Trouble Code (DTC) List - Vehiclefor the applicable DTC that set.If the DTC does not setAll OK.Intake Manifold Disassemble Intake and Forced Induction Intake Manifold
Remove the throttle body bolts-(1).Remove the throttle body-(2).Remove and discard the throttle bodyseal-(3).Loosen the evaporative-(EVAP) solenoidbolt.Remove the EVAP solenoid-(1).Remove the manifold absolute pressure-(MAP) sensorbolt-(1).Remove the MAP sensor-(2).Remove the lower intake manifold b ...